January weather forecast
Wagner, MT

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Weather in January

January, like December, is a freezing cold winter month in Wagner, Montana, with temperature in the range of an average low of 11.8°F (-11.2°C) and an average high of 25.7°F (-3.5°C).

Temperature

The coldest period, with an average high-temperature of 25.7°F (-3.5°C), falls in January and February.

Humidity

With an average relative humidity of 84%, January is the most humid month.

Rainfall

In Wagner, Montana, in January, during 5.3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Wagner, during the entire year, the rain falls for 103.3 days and collects up to 11.85" (301mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Wagner, in January, during 12.5 snowfall days, 3.54" (90mm) of snow is typically accumulated. In Wagner, during the entire year, snow falls for 59.6 days and aggregates up to 20.28" (515mm) of snow.

Daylight

The average length of the day in January is 8h and 52min.
On the first day of the month, sunrise is at 8:03 am and sunset at 4:28 pm. On the last day of January, sunrise is at 7:42 am and sunset at 5:09 pm MST.

Sunshine

In January, the average sunshine is 5h.

UV index

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, a daily UV index of 2 turns into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In Wagner, the months of January and February are known for the lowest temperatures, reaching an average high of 25.7°F (-3.5°C).

How cold is it in January?

During January, Wagner experiences an average high-temperature of 25.7°F (-3.5°C) and a low-temperature of 11.8°F (-11.2°C).

What is the most humid month in Wagner?

The most humid month is January, with an average relative humidity of 84%.

What is the average humidity in January?

The average relative humidity in January in Wagner is 84%.

How much does it rain in January?

In Wagner, Montana, during January, the rain falls for 5.3 days and regularly aggregates up to 0.59" (15mm) of precipitation.

How much does it snow in Wagner in January?

In Wagner, in January, during 12.5 snowfall days, 3.54" (90mm) of snow is typically accumulated.

What is the average length of the day in January?

In January, the average day length is 8h and 52min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 8:03 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:09 pm MST.

How many hours of sunshine does Wagner have in January?

The average sunshine duration in January is 5h.

What is the UV index intensity in January?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Wagner, MT

Average temperature in January - Wagner, MT
  • Average high temperature in January: 25.7°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The months with the lowest average high temperature are January and February (25.7°F).

  • Average low temperature in January: 11.8°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).

Average pressure in January
Wagner, MT

Average pressure in January - Wagner, MT
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in January
Wagner, MT

Average wind speed in January - Wagner, MT
  • Average wind speed in January: 9.7mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).

Average humidity in January
Wagner, MT

Average humidity in January - Wagner, MT
  • Average humidity in January: 84%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (41%).

Average rainfall in January
Wagner, MT

Average rainfall in January - Wagner, MT
  • Average rainfall in January: 0.59"

The wettest months (with the highest rainfall) are May and June (1.89").
The driest months (with the least rainfall) are February and December (0.55").

Average rainfall days in January
Wagner, MT

Average rainfall days in January - Wagner, MT
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (4 days).

Average snowfall in January
Wagner, MT

Average snowfall in January - Wagner, MT
  • Average snowfall in January: 3.54"

The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Wagner, MT

Average snowfall days in January - Wagner, MT
  • Average snowfall days in January: 12.5 days

The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in January /
Average sunshine in January
Wagner, MT

Average daylight in January / Average sunshine in January - Wagner, MT
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Wagner, MT

Average sunshine days in January - Wagner, MT
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (13.4 days).

Average UV index in January
Wagner, MT

Average UV index in January - Wagner, MT
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Wagner, MT

Average cloud cover in January - Wagner, MT
  • Average cloud cover in January: 46

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).

Average visibility in January
Wagner, MT

Average visibility in January - Wagner, MT
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Wagner, Montana, USA

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